Galls develop on plants (often trees) when some types of wasps lay their eggs there.
Spangle galls are found on oak trees, often, as here, many to a leaf. One of the oak trees on the edge of the Barley Field had spangle galls on most of its leaves.
Wildlife from Wolverhampton and nearby
Galls develop on plants (often trees) when some types of wasps lay their eggs there.
Spangle galls are found on oak trees, often, as here, many to a leaf. One of the oak trees on the edge of the Barley Field had spangle galls on most of its leaves.